A magnitude 7.3 earthquake struck Mexico at 14:48 UTC on July 17, 2026, according to the Global Disaster Alert and Coordination System, with early estimates of up to 350,000 people potentially exposed to strong shaking.
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Key facts
- Magnitude 7.3 earthquake recorded in Mexico on July 17, 2026 at 14:48 UTC.
- Depth reported between 15.178 km and 18.584 km across updates.
- Population estimates in the strong-shaking zone (MMI VII or greater) ranged from 60,000 to 350,000.
- Event tracked by the Global Disaster Alert and Coordination System (GDACS).
A magnitude 7.3 earthquake struck Mexico on July 17, 2026, at 14:48 UTC, according to the Global Disaster Alert and Coordination System (GDACS). The quake was recorded at a relatively shallow depth, reported at between roughly 15 and 19 kilometers in successive updates.
GDACS issued the event under an Orange alert level in its initial and follow-up reports, indicating the potential for significant impact. A later update in the same series carried a Green alert, reflecting how automated assessments can shift as new data arrives.
Estimates of the number of people exposed to strong shaking varied significantly across the reports. The earliest figure put as many as 350,000 people in areas that could experience shaking of Modified Mercalli Intensity (MMI) VII or greater. Subsequent updates lowered that estimate to 160,000, then 100,000, and finally 60,000.
The depth reading also shifted between reports, from an initial 15.178 kilometers to 18.584 kilometers in later assessments. Shallow earthquakes of this magnitude can produce stronger surface shaking than deeper events of comparable size.
MMI VII shaking is generally associated with strong ground motion that can be felt by everyone and may cause damage to poorly built structures. The GDACS figures represent modeled population exposure rather than confirmed reports of casualties or damage.
As of the available reports, GDACS had not published details on injuries, fatalities, or structural damage. The information reflects early automated modeling, and figures commonly change as seismic networks refine their measurements and on-the-ground reporting becomes available.
Why it matters
A shallow magnitude 7.3 earthquake is capable of causing serious damage and disruption in populated areas. Early exposure estimates help emergency responders gauge the potential scale of an event before ground reports arrive, even though the numbers can change substantially in the hours after an earthquake.
Frequently asked questions
How strong was the earthquake in Mexico?
According to GDACS, the earthquake had a magnitude of 7.3 and struck at a depth reported between about 15 and 19 kilometers on July 17, 2026 at 14:48 UTC.
How many people were affected?
GDACS estimates for the number of people potentially exposed to strong shaking (MMI VII or greater) ranged from 350,000 in the earliest report down to 60,000 in a later update.
Were there any reported casualties?
The available GDACS reports do not include information on injuries, deaths, or damage. The figures provided are modeled population exposure estimates.
Timeline
- Green earthquake (Magnitude 5.6M, Depth:10km) in Japan 28/07/2026 08:08 UTC, 90 thousand in MMI VI.
GDACS Disaster Alerts: On 7/28/2026 8:08:35 AM, an earthquake occurred in Japan potentially affecting 90 thousand in MMI VI. The earthquake had Magnitude 5.6M, Depth:10km.
- Green earthquake (Magnitude 5.6M, Depth:10km) in Japan 28/07/2026 08:08 UTC, 40 thousand in MMI VI.
GDACS Disaster Alerts: On 7/28/2026 8:08:35 AM, an earthquake occurred in Japan potentially affecting 40 thousand in MMI VI. The earthquake had Magnitude 5.6M, Depth:10km.
- Green earthquake (Magnitude 7.1M, Depth:10km) in Japan 28/07/2026 07:28 UTC, 5.4 million in 100km.
GDACS Disaster Alerts: On 7/28/2026 7:28:00 AM, an earthquake occurred in Japan potentially affecting 5.4 million in 100km. The earthquake had Magnitude 7.1M, Depth:10km.
- Green earthquake (Magnitude 6.8M, Depth:10km) in Japan 28/07/2026 07:27 UTC, 1.5 million (in MMI>=VII).
GDACS Disaster Alerts: On 7/28/2026 7:27:15 AM, an earthquake occurred in Japan potentially affecting 1.5 million (in MMI>=VII). The earthquake had Magnitude 6.8M, Depth:10km.
- Green earthquake (Magnitude 6.8M, Depth:10km) in Japan 28/07/2026 07:27 UTC, 1.2 million (in MMI>=VII).
GDACS Disaster Alerts: On 7/28/2026 7:27:15 AM, an earthquake occurred in Japan potentially affecting 1.2 million (in MMI>=VII). The earthquake had Magnitude 6.8M, Depth:10km.
- Green earthquake (Magnitude 5.9M, Depth:35km) in Mexico 28/07/2026 05:35 UTC, 2.4 million in MMI IV.
GDACS Disaster Alerts: On 7/28/2026 5:35:17 AM, an earthquake occurred in Mexico potentially affecting 2.4 million in MMI IV. The earthquake had Magnitude 5.9M, Depth:35km.
- Green earthquake (Magnitude 5.9M, Depth:35km) in Mexico 28/07/2026 05:35 UTC, 2 thousand in MMI V.
GDACS Disaster Alerts: On 7/28/2026 5:35:17 AM, an earthquake occurred in Mexico potentially affecting 2 thousand in MMI V. The earthquake had Magnitude 5.9M, Depth:35km.
- Green earthquake (Magnitude 5.7M, Depth:10km) in Russia 28/07/2026 04:42 UTC, 3 thousand in MMI IV.
GDACS Disaster Alerts: On 7/28/2026 4:42:18 AM, an earthquake occurred in Russia potentially affecting 3 thousand in MMI IV. The earthquake had Magnitude 5.7M, Depth:10km.
- Green earthquake (Magnitude 5.8M, Depth:10km) in Russia 28/07/2026 04:42 UTC, 3 thousand in MMI IV.
GDACS Disaster Alerts: On 7/28/2026 4:42:18 AM, an earthquake occurred in Russia potentially affecting 3 thousand in MMI IV. The earthquake had Magnitude 5.8M, Depth:10km.
- Orange earthquake (Magnitude 5.8M, Depth:10km) in China 28/07/2026 03:34 UTC, 2 thousand (in MMI>=VII).
GDACS Disaster Alerts: On 7/28/2026 3:34:05 AM, an earthquake occurred in China potentially affecting 2 thousand (in MMI>=VII). The earthquake had Magnitude 5.8M, Depth:10km.
- Green earthquake (Magnitude 5.8M, Depth:10km) in China 28/07/2026 03:16 UTC, Few people affected (in MMI>=VII).
GDACS Disaster Alerts: On 7/28/2026 3:16:08 AM, an earthquake occurred in China potentially affecting Few people affected (in MMI>=VII). The earthquake had Magnitude 5.8M, Depth:10km.
- Orange earthquake (Magnitude 5.7M, Depth:10km) in China 28/07/2026 03:16 UTC, 6 thousand (in MMI>=VII).
GDACS Disaster Alerts: On 7/28/2026 3:16:08 AM, an earthquake occurred in China potentially affecting 6 thousand (in MMI>=VII). The earthquake had Magnitude 5.7M, Depth:10km.
- Green earthquake (Magnitude 5.8M, Depth:10km) in United States 26/07/2026 08:35 UTC, Few people affected in MMI III.
GDACS Disaster Alerts: On 7/26/2026 8:35:18 AM, an earthquake occurred in United States potentially affecting Few people affected in MMI III. The earthquake had Magnitude 5.8M, Depth:10km.
- Green earthquake (Magnitude 5.7M, Depth:10km) in Chile 24/07/2026 23:10 UTC, Few people affected in MMI>=II.
GDACS Disaster Alerts: On 7/24/2026 11:10:29 PM, an earthquake occurred in Chile potentially affecting Few people affected in MMI>=II. The earthquake had Magnitude 5.7M, Depth:10km.
- Green earthquake (Magnitude 6M, Depth:44.637km) in Vanuatu 24/07/2026 21:37 UTC, 20 thousand in MMI IV.
GDACS Disaster Alerts: On 7/24/2026 9:37:56 PM, an earthquake occurred in Vanuatu potentially affecting 20 thousand in MMI IV. The earthquake had Magnitude 6M, Depth:44.637km.
- Green earthquake (Magnitude 5.7M, Depth:10km) in New Zealand 24/07/2026 16:51 UTC, Few people affected (in MMI>=VII).
GDACS Disaster Alerts: On 7/24/2026 4:51:37 PM, an earthquake occurred in New Zealand potentially affecting Few people affected (in MMI>=VII). The earthquake had Magnitude 5.7M, Depth:10km.
- Green earthquake (Magnitude 5.8M, Depth:49.188km) in Indonesia 23/07/2026 22:58 UTC, 5 thousand in MMI IV.
GDACS Disaster Alerts: On 7/23/2026 10:58:36 PM, an earthquake occurred in Indonesia potentially affecting 5 thousand in MMI IV. The earthquake had Magnitude 5.8M, Depth:49.188km.
- Green earthquake (Magnitude 5.8M, Depth:49.188km) in Indonesia 23/07/2026 22:58 UTC, 10 thousand in MMI IV.
GDACS Disaster Alerts: On 7/23/2026 10:58:36 PM, an earthquake occurred in Indonesia potentially affecting 10 thousand in MMI IV. The earthquake had Magnitude 5.8M, Depth:49.188km.
- Green earthquake (Magnitude 5.5M, Depth:35km) in Mexico 19/07/2026 17:45 UTC, 440 thousand in MMI IV.
GDACS Disaster Alerts: On 7/19/2026 5:45:16 PM, an earthquake occurred in Mexico potentially affecting 440 thousand in MMI IV. The earthquake had Magnitude 5.5M, Depth:35km.
- Green earthquake (Magnitude 5.5M, Depth:35km) in Mexico 19/07/2026 17:45 UTC, 450 thousand in MMI IV.
GDACS Disaster Alerts: On 7/19/2026 5:45:16 PM, an earthquake occurred in Mexico potentially affecting 450 thousand in MMI IV. The earthquake had Magnitude 5.5M, Depth:35km.